Damhead Creek power station
Encyclopedia
Damhead Creek power station is a 792 MWe gas-fired power station in Kent
Kent
Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

, England on the Hoo Peninsula
Hoo Peninsula
The Hoo Peninsula is a peninsula in England separating the estuaries of the rivers Thames and Medway. It is dominated by a line of sand and clay hills, surrounded by an extensive area of marshland composed of alluvial silt. The name Hoo is the Old English word for spur of land.-History:The Romans...

.

History

The plant was commissioned by Entergy
Entergy
Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations. It is headquartered in the Central Business District of New Orleans, Louisiana.-History:...

, an American power firm, and built by Raytheon Engineers and Constructor
Raytheon
Raytheon Company is a major American defense contractor and industrial corporation with core manufacturing concentrations in weapons and military and commercial electronics. It was previously involved in corporate and special-mission aircraft until early 2007...

 and Mitsubishi Heavy Industries
Mitsubishi Heavy Industries
, or MHI, is a Japanese company. It is one of the core companies of Mitsubishi Group.-History:In 1870 Yataro Iwasaki, the founder of Mitsubishi took a lease of Government-owned Nagasaki Shipyard. He named it Nagasaki Shipyard & Machinery Works, and started the shipbuilding business on a full scale...

, who provided the gas turbine equipment. The plant entered service in February 2001. It trades as Damhead Creek Ltd.

On June 2 2004, the plant was bought by Scottish Power
Scottish Power
ScottishPower Ltd. is a vertically integrated energy company with its headquarters in Glasgow, Scotland. It was listed on the London Stock Exchange and was once a constituent of the FTSE 100 Index but in 2006 it became a subsidiary of the Spanish utility Iberdrola...

 for £317 million.

On 9 March 2009 Scottish Power announced plans to develop a second 1,000MW gas-fired power station adjacent to the current power station. It has been named Damhead Creek 2.

Specification

It is a CCGT
Combined cycle
In electric power generation a combined cycle is an assembly of heat engines that work in tandem off the same source of heat, converting it into mechanical energy, which in turn usually drives electrical generators...

 type power station that uses natural gas. There are two Mitsubishi 701F gas turbine
Gas turbine
A gas turbine, also called a combustion turbine, is a type of internal combustion engine. It has an upstream rotating compressor coupled to a downstream turbine, and a combustion chamber in-between....

s with the exhaust gas from each entering two (Dutch) NEM heat recovery steam generators. The steam from these enters one 216MWe Mitsubishi steam turbine
Steam turbine
A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion. Its modern manifestation was invented by Sir Charles Parsons in 1884....

. There are three hydrogen-cooled electrical generator
Alternator
An alternator is an electromechanical device that converts mechanical energy to electrical energy in the form of alternating current.Most alternators use a rotating magnetic field but linear alternators are occasionally used...

s - two on the gas turbines and one on the steam turbine.

External links

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